Home / 1,009,939.53-1,392,455.96-646,766.31

Finding the Fourth Proportional to 1,009,939.53, 1,392,455.96 and 646,766.31

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Solution

The fourth proportional to 1,009,939.53, 1,392,455.96 and 646,766.31 is: 891,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,939.53 : 1,392,455.96 = 646,766.31 : x
  2. Step 2: Convert to fraction form
    1,009,939.53/1,392,455.96 = 646,766.31/x
  3. Step 3: Cross multiply
    1,009,939.53x = 1,392,455.96 × 646,766.31
  4. Step 4: Simplify right side
    1,009,939.53x = 900,593,599,852.88
  5. Step 5: Solve for x
    x = 900,593,599,852.88/1,009,939.53
  6. Step 6: Final answer
    x = 891,730.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.